Re: [RESEND][PATCH v8 0/5] DMA-BUF Heaps (destaging ION)

From: John Stultz
Date: Tue Sep 24 2019 - 12:28:21 EST


On Tue, Sep 24, 2019 at 9:22 AM Ayan Halder <Ayan.Halder@xxxxxxx> wrote:
> I tested these patches using our internal test suite with Arm,komeda
> driver and the following node in dts
>
> reserved-memory {
> #address-cells = <0x2>;
> #size-cells = <0x2>;
> ranges;
>
> framebuffer@60000000 {
> compatible = "shared-dma-pool";
> linux,cma-default;
> reg = <0x0 0x60000000 0x0 0x8000000>;
> };
> }
>
> The tests went fine. Our tests allocates framebuffers of different
> sizes, posts them on screen and the driver writes back to one of the
> framebuffers. I havenot tested for any performance, latency or
> cache management related stuff. So, it that looks appropriate, feel
> free to add:-
> Tested-by:- Ayan Kumar Halder <ayan.halder@xxxxxxx>

Thanks so much for testing! I really appreciate it!

> Are you planning to write some igt tests for it ?

I've not personally as familiar with igt yet, which is why I started
with kselftest, but it's a good idea. I'll take a look and try to take
a swing at it after Sumit queues the patchset (I need to resubmit to
address Brian's feedback).

thanks
-john